用为圆锥形的节的极的方程,我们研究圆锥形的约束站在一起 n 的多角形(n 4 ) 深深地根据 papers^([1-3 ]) 。我们在圆锥形的约束站在一起 n 的多角形为一些三角形的指导区域获得一条一般固定价值定理并且象 n 一样导出同样多(三根线和...用为圆锥形的节的极的方程,我们研究圆锥形的约束站在一起 n 的多角形(n 4 ) 深深地根据 papers^([1-3 ]) 。我们在圆锥形的约束站在一起 n 的多角形为一些三角形的指导区域获得一条一般固定价值定理并且象 n 一样导出同样多(三根线和某其它的 n -3) 同时发生的事件点在同一直线上,在圆锥形的约束站在一起 n 的多角形的 equiareal 结果(n 4 ) 。那么 papers~ 的结果([1-3 ]) 被统一。展开更多
基于采用 von 的直接力量计算,协定强调失败标准的可靠性分析的一个方法这里被介绍。轮船壳的短术语紧张分布结构的部件通过导致波浪的紧张历史的统计分析被识别,由短术语的加权的求和的长期的分布拉紧分布。导致波浪的长期的紧张分...基于采用 von 的直接力量计算,协定强调失败标准的可靠性分析的一个方法这里被介绍。轮船壳的短术语紧张分布结构的部件通过导致波浪的紧张历史的统计分析被识别,由短术语的加权的求和的长期的分布拉紧分布。导致波浪的长期的紧张分发与静止的水紧张被相结合。反应紧张的极端紧张分发被联合紧张的统计分析获得。可靠性分析的限制状态功能基于 von 协定压力失败标准,包括由于材料的质量的相关无常和模型无常。可靠性索引用在可靠性上有效果的每个变量的形式和敏感分析被计算也被讨论。展开更多
The paper considers the lattice of fully invariant subgroups of the cotorsion hull ?when a separable primary group T?is an arbitrary direct sum of torsion-complete groups.The investigation of this problem in the case ...The paper considers the lattice of fully invariant subgroups of the cotorsion hull ?when a separable primary group T?is an arbitrary direct sum of torsion-complete groups.The investigation of this problem in the case of a cotorsion hull is important because endomorphisms in this class of groups are completely defined by their action on the torsion part and for mixed groups the ring of endomorphisms is isomorphic to the ring of endomorphisms of the torsion part if and only if the group is a fully invariant subgroup of the cotorsion hull of its torsion part. In the considered case, the cotorsion hull is not fully transitive and hence it is necessary to introduce a new function which differs from an indicator and assigns an infinite matrix to each element of the cotorsion hull. The relation ?difined on the set ?of these matrices is different from the relation proposed by the autor in the countable case and better discribes the lower semilattice. The use of the relation ?essentially simplifies the verification of the required properties. It is proved that the lattice of fully invariant subgroups of the group is isomorphic to the lattice of filters of the lower semilattice.展开更多
文摘基于采用 von 的直接力量计算,协定强调失败标准的可靠性分析的一个方法这里被介绍。轮船壳的短术语紧张分布结构的部件通过导致波浪的紧张历史的统计分析被识别,由短术语的加权的求和的长期的分布拉紧分布。导致波浪的长期的紧张分发与静止的水紧张被相结合。反应紧张的极端紧张分发被联合紧张的统计分析获得。可靠性分析的限制状态功能基于 von 协定压力失败标准,包括由于材料的质量的相关无常和模型无常。可靠性索引用在可靠性上有效果的每个变量的形式和敏感分析被计算也被讨论。
文摘The paper considers the lattice of fully invariant subgroups of the cotorsion hull ?when a separable primary group T?is an arbitrary direct sum of torsion-complete groups.The investigation of this problem in the case of a cotorsion hull is important because endomorphisms in this class of groups are completely defined by their action on the torsion part and for mixed groups the ring of endomorphisms is isomorphic to the ring of endomorphisms of the torsion part if and only if the group is a fully invariant subgroup of the cotorsion hull of its torsion part. In the considered case, the cotorsion hull is not fully transitive and hence it is necessary to introduce a new function which differs from an indicator and assigns an infinite matrix to each element of the cotorsion hull. The relation ?difined on the set ?of these matrices is different from the relation proposed by the autor in the countable case and better discribes the lower semilattice. The use of the relation ?essentially simplifies the verification of the required properties. It is proved that the lattice of fully invariant subgroups of the group is isomorphic to the lattice of filters of the lower semilattice.